[Event "Curacao op 11th"]
[Site "Curacao"]
[Date "2011.07.30"]
[Round "8"]
[White "Van Woerden, Michiel"]
[Black "Van Wely, Loek"]
[Result "0-1"]
[ECO "B85"]
[WhiteElo "2074"]
[BlackElo "2683"]
[PlyCount "92"]
[EventDate "2011.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AHO"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Qc7 8. a4 Nc6 9. Nb3 b6 10. f4 Be7 11. Be3 0-0 12. g4 Re8 13. g5 Nd7 14. Bf3 Bb7 15. Bg2 Bf8 16. Qd2 Na5 17. Nxa5 bxa5 18. Qf2 Rab8 19. Ba7 Rbc8 20. Bd4 e5 21. Be3 exf4 22. Qxf4 Ne5 23. Bd4 g6 24. Rad1 Bg7 25. Rf2 Re7 26. Nd5 Bxd5 27. exd5 Rb8 28. Bf1 Qc8 29. Kh1 Rc7 30. c3 Qb7 31. Be3 Re8 32. Bg2 Qb3 33. Rdf1 Rce7 34. Qg3 Nd3 35. Qxd6 Nxf2+ 36. Bxf2 Qxb2 37. Qxa6 Re2 38. Qa7 Ra8 39. Qc7 Rf8 40. Qc5 Qxc3 41. d6 Qxc5 42. Bxc5 Rd2 43. Re1 Rc8 44. Ba3 Rc3 45. d7 Rxa3 46. Re8+ Bf8 0-1

[Event "Curacao op 11th"]
[Site "Curacao"]
[Date "2011.07.29"]
[Round "7"]
[White "Dekker, Marvin"]
[Black "Van Woerden, Michiel"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2084"]
[BlackElo "2074"]
[PlyCount "68"]
[EventDate "2011.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AHO"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. 0-0 Be7 8. d3 0-0 9. Be3 Be6 10. a3 f5 11. b4 Bf6 12. Rc1 Nd5 13. Nxd5 Bxd5 14. Rc5 Be7 15. Rxd5 Qxd5 16. Nd4 Qa2 17. Nxc6 bxc6 18. Bxc6 Rad8 19. Qa1 Qxe2 20. Qxe5 Bd6 21. Qc3 f4 22. Bd4 Qg4 23. f3 Qg5 24. g4 h5 25. h3 Be7 26. Re1 Bf6 27. Qc4+ Kh8 28. Bxa7 Qh4 29. Bf2 Qxh3 30. gxh5 Bh4 31. Bxh4 Qxh4 32. Re2 Rf5 33. Kf1 Qh1+ 34. Kf2 Rg5 0-1

[Event "Curacao op 11th"]
[Site "Curacao"]
[Date "2011.07.28"]
[Round "6"]
[White "Van Woerden, Michiel"]
[Black "Richardson, Quirino"]
[Result "1-0"]
[ECO "C74"]
[WhiteElo "2074"]
[BlackElo "1784"]
[PlyCount "60"]
[EventDate "2011.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AHO"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. c3 a6 5. Ba4 Nf6 6. d4 b5 7. Bc2 Be7 8. h3 0-0 9. 0-0 h6 10. Nbd2 Nh7 11. a4 Bb7 12. Re1 exd4 13. cxd4 Nb4 14. Bb1 c5 15. Nf1 c4 16. Ng3 Nf6 17. Nf5 Ne8 18. d5 Bf6 19. Ra3 Rc8 20. Qd2 a5 21. axb5 Rc5 22. N3d4 Qb6 23. Rg3 Bg5 24. Nxh6+ gxh6 25. h4 f6 26. hxg5 fxg5 27. Ne6 Rf7 28. Qe2 Rxb5 29. Be3 Qa6 30. Qh5 Nd3 1-0

[Event "Curacao op 11th"]
[Site "Curacao"]
[Date "2011.07.27"]
[Round "5"]
[White "Vreugdenhil, Frans"]
[Black "Van Woerden, Michiel"]
[Result "1/2-1/2"]
[ECO "B73"]
[WhiteElo "2070"]
[BlackElo "2074"]
[PlyCount "25"]
[EventDate "2011.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AHO"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. 0-0 d5 9. Nxc6 bxc6 10. exd5 Nxd5 11. Nxd5 Qxd5 12. Qxd5 cxd5 13. c3 1/2-1/2

[Event "Curacao op 11th"]
[Site "Curacao"]
[Date "2011.07.25"]
[Round "4"]
[White "Van Woerden, Michiel"]
[Black "Matoewi, Roger"]
[Result "0-1"]
[ECO "B85"]
[WhiteElo "2074"]
[BlackElo "2150"]
[PlyCount "140"]
[EventDate "2011.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AHO"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. a4 Be7 8. 0-0 0-0 9. f4 Nc6 10. Nb3 Qc7 11. Be3 Bd7 12. a5 Nb4 13. Bb6 Qc8 14. Nd4 d5 15. e5 Ne4 16. Na4 Nc5 17. Nxc5 Bxc5 18. Bxc5 Qxc5 19. c3 Nc6 20. Rf2 Nxd4 21. Qxd4 Qxd4 22. cxd4 Rfc8 23. Ra3 Rc1+ 24. Rf1 Rc2 25. Bd3 Rxb2 26. Rc1 Bc6 27. f5 Rb4 28. fxe6 fxe6 29. Rd1 Rf8 30. Rc3 g6 31. h3 Rxd4 32. Rb1 Ra4 33. Bxa6 d4 34. Rc5 Be4 35. Re1 Bd5 36. Bd3 Ra2 37. Be4 Rd8 38. Bxd5 Rxd5 39. Rxd5 exd5 40. Rd1 Rxa5 41. Rxd4 Kf7 42. Rb4 b5 43. Rh4 h5 44. Rf4+ Ke6 45. Rf6+ Kxe5 46. Rxg6 Kf5 47. Rb6 Ke4 48. g4 hxg4 49. hxg4 Kd4 50. Kf2 Kc5 51. Rb8 b4 52. g5 Ra6 53. Ke3 d4+ 54. Ke4 Re6+ 55. Kd3 Re3+ 56. Kd2 Rg3 57. Rc8+ Kd5 58. Rb8 Kc4 59. Rc8+ Kb3 60. Rg8 Kb2 61. g6 b3 62. g7 d3 63. Kd1 Rg2 64. Ke1 Kb1 65. Kd1 b2 66. Ke1 Kc1 67. Rc8+ Rc2 68. g8Q d2+ 69. Kf2 d1Q+ 70. Ke3 b1Q 0-1

[Event "Curacao op 11th"]
[Site "Curacao"]
[Date "2011.07.24"]
[Round "3"]
[White "Kats, Michael Alex"]
[Black "Van Woerden, Michiel"]
[Result "0-1"]
[ECO "C78"]
[BlackElo "2074"]
[PlyCount "76"]
[EventDate "2011.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AHO"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bc5 6. 0-0 d6 7. c3 0-0 8. h3 Ba7 9. Qe2 Ne7 10. Be3 Ng6 11. Bxa7 Rxa7 12. Qe3 c5 13. d4 Qe7 14. dxe5 dxe5 15. b4 b5 16. Bc2 cxb4 17. cxb4 Rc7 18. Qb3 Bb7 19. Nbd2 Rfc8 20. Bb1 Nf4 21. a4 Ne2+ 22. Kh2 Nc3 23. axb5 axb5 24. Re1 h6 25. Bd3 Qd6 26. Re3 Ncd5 27. exd5 e4+ 28. g3 Bxd5 29. Qd1 exd3 30. Nd4 Qxb4 31. Rxd3 Bc4 32. Rb1 Qc5 33. Rc1 Qb6 34. Nxc4 bxc4 35. Rb1 Qc5 36. Rf3 Rd7 37. Rxf6 Rxd4 38. Rf5 Qxf5 0-1

[Event "Curacao op 11th"]
[Site "Curacao"]
[Date "2011.07.23"]
[Round "2"]
[White "Van Woerden, Michiel"]
[Black "Blijstra, Wim"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2074"]
[BlackElo "2239"]
[PlyCount "88"]
[EventDate "2011.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AHO"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 e5 7. Nb3 Be6 8. 0-0 b5 9. f4 Nbd7 10. f5 Bc4 11. Bxc4 bxc4 12. Nd2 Rc8 13. Qe2 Qb6+ 14. Kh1 Qc6 15. Nf3 h6 16. a4 Be7 17. a5 0-0 18. Ra4 d5 19. exd5 Nxd5 20. Nxd5 Qxd5 21. Nd2 Qb5 22. Rxc4 Qxa5 23. Ne4 Qb5 24. b3 Rxc4 25. bxc4 Qc6 26. Nc3 Rc8 27. Nd5 Bf8 28. f6 Qxc4 29. Ne7+ Kh7 30. Qf3 Bxe7 31. fxe7 Nf6 32. Qf5+ Kg8 33. Bxh6 Qe6 34. Qg5 Ne8 35. Rd1 f6 36. Qg3 Qxe7 37. Qb3+ Qf7 38. Qg3 Rxc2 39. Rd8 Rc7 40. h3 Qe7 41. Bxg7 Kf7 42. Rxe8 Qxe8 43. Bh6 Rc4 44. Qb3 Qe6 0-1

[Event "Curacao op 11th"]
[Site "Curacao"]
[Date "2011.07.22"]
[Round "1"]
[White "Salim Moussa, Faraj"]
[Black "Van Woerden, Michiel"]
[Result "0-1"]
[ECO "C57"]
[BlackElo "2074"]
[PlyCount "42"]
[EventDate "2011.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AHO"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. Bxd5 Nxd5 6. exd5 Qxg5 7. g3 Nd4 8. d3 Qg6 9. 0-0 Bg4 10. f3 Bh3 11. Rf2 0-0-0 12. c3 Nf5 13. g4 Bc5 14. d4 exd4 15. Kh1 Ne3 16. Qe2 d3 17. Qe1 Rhe8 18. Nd2 Nxg4 19. Ne4 Nxf2+ 20. Qxf2 Bxf2 21. Nxf2 Qg2# 0-1

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.12"]
[Round "9"]
[White "Van Woerden, Michiel"]
[Black "Van Onzen, Jeroen"]
[Result "1/2-1/2"]
[ECO "B90"]
[PlyCount "66"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nc3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 h5 10. h4 Bg7 11. Qd2 Qb6 12. 0-0-0 Bxd4 13. Qxd4 Qxd4 14. Rxd4 Nc6 15. Rd2 gxh4 16. Rxh4 Be6 17. Be2 0-0-0 18. Bxg4 hxg4 19. Nd5 Bxd5 20. exd5 Ne5 21. Rxh8 Rxh8 22. Bxe5 dxe5 23. Re2 f6 24. Re4 Rg8 25. Kd2 Kd7 26. c4 Kd6 27. g3 e6 28. dxe6 Kxe6 29. Kc3 f5 30. Re2 Rd8 31. b4 e4 32. Rd2 Rh8 33. Kd4 Rd8+ 1/2-1/2

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.11"]
[Round "7"]
[White "De Hoop, Thomas"]
[Black "Van Woerden, Michiel"]
[Result "1-0"]
[ECO "B75"]
[PlyCount "61"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 a6 8. a4 Qc7 9. Be2 Nc6 10. Nb3 b6 11. 0-0 Be6 12. Qe1 Nd7 13. f4 Nc5 14. Nxc5 bxc5 15. f5 Bd7 16. Nd5 Qd8 17. Qf2 f6 18. Qg3 Ne5 19. Bh5 Kf7 20. Be2 Bc6 21. fxg6+ hxg6 22. Bxc5 Bxd5 23. exd5 Qc7 24. Bd4 Qxc2 25. Bxe5 Qxe2 26. Rfe1 Qc4 27. Bxd6 exd6 28. Rac1 Qxd5 29. Rc7+ Kf8 30. Qxg6 Qg8 31. Rce7 1-0

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.11"]
[Round "8"]
[White "Van Woerden, Michiel"]
[Black "Tiele, Edwin"]
[Result "1-0"]
[ECO "B05"]
[PlyCount "69"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 exd6 6. Nf3 Bg4 7. Nbd2 Nc6 8. Be2 g6 9. b3 Bg7 10. Bb2 0-0 11. 0-0 Re8 12. Re1 d5 13. h3 Bf5 14. Nf1 Nb4 15. Ne3 Be4 16. a3 Nc6 17. c5 Nd7 18. b4 a5 19. b5 Na7 20. Qb3 a4 21. Qb4 c6 22. b6 Nc8 23. Nd2 Bh6 24. Nxe4 Rxe4 25. Bd3 Rh4 26. g3 Qg5 27. Kh2 Nf6 28. Be2 Ne4 29. Ng4 Rxg4 30. Bxg4 Nxf2 31. Re8+ Kg7 32. Qe1 Nxg4+ 33. hxg4 Ne7 34. Rxa8 Ng8 35. Qe5+ 1-0

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.10"]
[Round "6"]
[White "Van Woerden, Michiel"]
[Black "Konken, Fabian"]
[Result "1/2-1/2"]
[ECO "B18"]
[PlyCount "53"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nf6 7. c4 e6 8. Be2 Be7 9. 0-0 0-0 10. Be3 Nbd7 11. Qb3 Qb6 12. Qxb6 Nxb6 13. Ne5 Nfd7 14. Nxg6 hxg6 15. Ne4 Rac8 16. Rfd1 Rfd8 17. a3 Nf6 18. Nxf6+ Bxf6 19. Rd2 Rd7 20. Rad1 Rcd8 21. b3 Nc8 22. g4 a6 23. g5 Be7 24. b4 Nd6 25. Bd3 Nf5 26. Bxf5 gxf5 27. c5 1/2-1/2

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.09"]
[Round "5"]
[White "De Zeeuw, Jimmie"]
[Black "Van Woerden, Michiel"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "88"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. d3 e6 5. Be3 Nc6 6. c3 a6 7. a3 b5 8. Ba2 Be7 9. Nbd2 Bb7 10. b4 Rc8 11. 0-0 0-0 12. Rc1 a5 13. bxc5 dxc5 14. d4 cxd4 15. cxd4 Bxa3 16. Rb1 Bb4 17. Bg5 Bxd2 18. Bxf6 Qxf6 19. Qxd2 Rfd8 20. Rfd1 Nb4 21. e5 Qe7 22. Ne1 Bd5 23. Bxd5 Rxd5 24. Rdc1 Qd7 25. Rxc8+ Qxc8 26. Rc1 Qd7 27. Nf3 h6 28. Rc5 Rxc5 29. dxc5 Qxd2 30. Nxd2 f6 31. Nb3 Nc6 32. exf6 gxf6 33. Kf1 Kf7 34. Ke2 e5 35. Nd2 Ke6 36. Ne4 f5 37. Nd6 Nd4+ 38. Kd3 Kd5 39. f4 e4+ 40. Ke3 a4 41. g4 a3 42. gxf5 a2 43. f6 a1Q 44. f7 Qe1# 0-1

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.09"]
[Round "4"]
[White "Van Woerden, Michiel"]
[Black "Hiemstra, Sebastian"]
[Result "0-1"]
[ECO "B80"]
[PlyCount "72"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 b5 7. a3 Bb7 8. f3 e6 9. Qd2 Be7 10. 0-0-0 Nbd7 11. g4 Ne5 12. g5 Nfd7 13. f4 Nc6 14. Bg2 Nb6 15. Nxc6 Bxc6 16. Qe2 Nc4 17. Bd4 Qa5 18. Nb1 e5 19. Bc3 Qb6 20. Rd3 exf4 21. Bxg7 Bxg5 22. Bf3 Rg8 23. Bd4 Qb7 24. Rg1 0-0-0 25. b3 Ne3 26. Nc3 f5 27. Bxe3 fxe4 28. Nxe4 Bxe4 29. Rc3+ Kd7 30. Bg4+ Ke7 31. Bd2 d5 32. Rh3 Kd6 33. Bb4+ Kc7 34. Rc3+ Kb8 35. Kb1 d4 36. Rc5 d3 0-1

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.08"]
[Round "3"]
[White "In't Groen, Erik"]
[Black "Van Woerden, Michiel"]
[Result "0-1"]
[ECO "B75"]
[PlyCount "48"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Bc4 a6 9. Qd2 Qc7 10. Bb3 b5 11. h4 h5 12. 0-0-0 Na5 13. Kb1 Nc4 14. Bxc4 bxc4 15. Bg5 Rb8 16. Nd5 Nxd5 17. exd5 c3 18. Qe3 Rxb2+ 19. Ka1 0-0 20. Rb1 Qa5 21. Rxb2 cxb2+ 22. Kb1 Qxd5 23. Ne2 Be6 24. Qb3 Qa5 0-1

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.08"]
[Round "2"]
[White "Van Woerden, Michiel"]
[Black "Van Beek, Alexander"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "2270"]
[PlyCount "76"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nge2 Bg4 6. f3 Bf5 7. Bf4 Qd7 8. Ng3 Bg6 9. Nge4 e6 10. Qd2 Nxe4 11. Nxe4 Nc6 12. c3 Be7 13. 0-0-0 Rd8 14. Bd3 e5 15. dxe5 Qe6 16. Kb1 Nxe5 17. Bxe5 Qxe5 18. Rhe1 0-0 19. Qc2 Qxh2 20. g3 Qxc2+ 21. Bxc2 f5 22. Nd2 Bc5 23. Rf1 Be8 24. Nb3 Rxd1+ 25. Rxd1 Bd6 26. f4 g6 27. Nd4 Rf6 28. Bb3+ Bf7 29. Bxf7+ Kxf7 30. Re1 Bc5 31. Nf3 Bf2 32. Rd1 Rd6 33. Rxd6 cxd6 34. Ng5+ Kg7 35. Kc2 Bxg3 36. Kd3 h6 37. Ne6+ Kf6 38. Nd8 Bxf4 0-1

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.07"]
[Round "1"]
[White "Beekhuis, Maarten"]
[Black "Van Woerden, Michiel"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "59"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 d5 4. exd5 exd5 5. Nf3 Nc6 6. Bb5 Bd6 7. dxc5 Bxc5 8. Nd4 Nge7 9. Be3 Qb6 10. Qb3 0-0 11. Bxc6 bxc6 12. Nd2 Nf5 13. Qxb6 Bxb6 14. Nxf5 Bxf5 15. Nb3 Be4 16. 0-0 f5 17. Bc5 Rfe8 18. f3 Bd3 19. Rfe1 Bc4 20. Bxb6 axb6 21. Nd4 Rxe1+ 22. Rxe1 Rxa2 23. b3 c5 24. Nxf5 Bxb3 25. Nd6 h6 26. Rb1 c4 27. Nb5 Rc2 28. Ra1 Ba2 29. Rd1 Bb3 30. Ra1 1/2-1/2

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.14"]
[Round "9"]
[White "Van Woerden, Michiel"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "B86"]
[PlyCount "51"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Be7 8. Bc4 Qc7 9. Bb3 0-0 10. Qd2 Nbd7 11. 0-0-0 Nc5 12. g4 e5 13. Nf5 Nxb3+ 14. axb3 Bxf5 15. gxf5 Rac8 16. Qg2 Rfe8 17. Bh6 Nh5 18. Nd5 Qc6 19. f6 Bf8 20. Bxg7 Nxg7 21. Rhg1 Qd7 22. h4 Rc5 23. h5 Rxd5 24. Rxd5 Qe6 25. Qg5 b5 26. Qh6 1-0

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.13"]
[Round "8"]
[White "De Bode, Christian"]
[Black "Van Woerden, Michiel"]
[Result "1-0"]
[ECO "B86"]
[PlyCount "51"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Bg5 Be7 8. 0-0 a6 9. Bb3 Qc7 10. Re1 0-0 11. Nxc6 bxc6 12. f4 h6 13. Bh4 Rd8 14. Qf3 d5 15. e5 Ne8 16. Bxe7 Qxe7 17. g4 f5 18. gxf5 exf5 19. Nxd5 Qc5+ 20. Ne3+ Kh8 21. Rad1 Bb7 22. Kh1 Qf8 23. Qh5 Kh7 24. Qxf5+ Qxf5 25. Nxf5 g6 26. Nd6 1-0

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.13"]
[Round "7"]
[White "Van Woerden, Michiel"]
[Black "Chan, Chung Hong"]
[Result "0-1"]
[ECO "C10"]
[PlyCount "102"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ Qxf6 6. Nf3 Qd8 7. Be3 Bd6 8. Be2 Nd7 9. 0-0 Nf6 10. c4 0-0 11. Qc2 c6 12. h3 h6 13. Rfd1 Qe7 14. Ne5 Rd8 15. a3 Bd7 16. f4 c5 17. Bf3 Be8 18. Kh1 Rdb8 19. Rac1 Qc7 20. Qc3 cxd4 21. Bxd4 Bc5 22. Bxc5 Qxc5 23. Qd4 Qa5 24. Qc3 Qc7 25. Qe3 a6 26. c5 Rd8 27. Nc4 Bc6 28. Nb6 Rab8 29. b4 Bd5 30. Nxd5 Nxd5 31. Bxd5 Rxd5 32. Rxd5 exd5 33. Rd1 Rd8 34. Rd4 Kf8 35. Qf3 Qc6 36. Kg1 Qe6 37. Kh2 Rd7 38. Kh1 Ke8 39. Rd3 Kd8 40. Re3 Qf6 41. Re5 Kc7 42. Rxd5 Rxd5 43. Qxd5 Qxf4 44. Qd3 Kc8 45. Kg1 g6 46. Qc3 Kd7 47. Kh1 h5 48. Qf3 Qxf3 49. gxf3 Kc6 50. Kg2 Kb5 51. Kg3 Ka4 0-1

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.12"]
[Round "6"]
[White "De Jong, Roderick"]
[Black "Van Woerden, Michiel"]
[Result "1/2-1/2"]
[ECO "A47"]
[PlyCount "35"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. g3 Bb7 5. Bg2 d5 6. Nbd2 Bd6 7. 0-0 0-0 8. b3 Nbd7 9. a4 c5 10. Ba3 Rc8 11. c4 Re8 12. Ra2 a5 13. Qb1 e5 14. dxe5 Nxe5 15. Bb2 Ba6 16. Nxe5 Bxe5 17. Bxe5 Rxe5 18. Rd1 1/2-1/2

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.11"]
[Round "5"]
[White "Van Woerden, Michiel"]
[Black "Vlug, Marcel"]
[Result "1-0"]
[ECO "C64"]
[PlyCount "71"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 d6 5. h3 Nf6 6. Re1 Bd7 7. c3 a6 8. Ba4 h6 9. d4 exd4 10. cxd4 Bb4 11. Bd2 Bxd2 12. Qxd2 0-0 13. a3 Re8 14. Nc3 Ne7 15. Bb3 Ng6 16. e5 Nh5 17. Qc2 Nhf4 18. Nd5 Ne6 19. Rad1 c6 20. Ne3 d5 21. Nf5 Qb6 22. Nd6 Re7 23. Qc3 Nc7 24. a4 Ne8 25. a5 Qc7 26. Nxe8 Raxe8 27. Bxd5 Bxh3 28. Bxc6 bxc6 29. gxh3 Qd7 30. Kh2 Nf4 31. Ng1 Re6 32. Qf3 Ng6 33. Ne2 Nh4 34. Qg4 g5 35. Rg1 Rg6 36. Qxd7 1-0

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.11"]
[Round "4"]
[White "Wever, Dennis"]
[Black "Van Woerden, Michiel"]
[Result "1/2-1/2"]
[ECO "B93"]
[PlyCount "71"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. Be2 g6 8. 0-0 Bg7 9. f4 0-0 10. Bf3 Qc7 11. Qe2 Nxe4 12. Nd5 Nxd4 13. Nxc7 Nxe2+ 14. Bxe2 Rb8 15. Ba7 Bd7 16. Bd3 Bc6 17. Rfe1 Rbc8 18. Bxe4 Bxe4 19. Nxa6 bxa6 20. Rxe4 Rxc2 21. Rxe7 Rxb2 22. Rd7 Rxg2+ 23. Kxg2 Bxa1 24. Rxd6 a5 25. Ra6 Bc3 26. Bb6 Rb8 27. Bxa5 Rb2+ 28. Kg3 Bxa5 29. Rxa5 Kg7 30. Ra7 Kf6 31. Ra6+ Kg7 32. h3 h5 33. Ra7 Kf6 34. Ra6+ Kg7 35. Ra5 Kf6 36. Ra6+ 1/2-1/2

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.10"]
[Round "2"]
[White "Van Doorn, Maarten"]
[Black "Van Woerden, Michiel"]
[Result "0-1"]
[ECO "D55"]
[PlyCount "58"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bg5 Be7 4. Nc3 d5 5. Nf3 b6 6. e3 Bb7 7. Bd3 Nbd7 8. 0-0 0-0 9. Qc2 h6 10. Bxf6 Nxf6 11. cxd5 exd5 12. a3 c5 13. dxc5 Bxc5 14. Rad1 Rc8 15. Bf5 Ba6 16. Bxc8 Bxf1 17. Kxf1 Qxc8 18. Nxd5 Nxd5 19. Rxd5 Rd8 20. Rxd8+ Qxd8 21. Qd2 Qe7 22. b4 Bd6 23. Nd4 Qd7 24. Nf3 Qb5+ 25. Kg1 Be7 26. h3 Qa4 27. Qb2 Qd1+ 28. Kh2 Bd6+ 29. g3 Qxf3 0-1

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.10"]
[Round "3"]
[White "Van Woerden, Michiel"]
[Black "Van Kempen, Roderick"]
[Result "1/2-1/2"]
[ECO "C03"]
[PlyCount "58"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 b6 4. c3 Qd7 5. Bd3 Ba6 6. Bxa6 Nxa6 7. Qe2 Nb8 8. Ngf3 Ne7 9. Ne5 Qc8 10. 0-0 Nd7 11. Ndf3 dxe4 12. Qxe4 Nf6 13. Qd3 h6 14. Re1 c6 15. c4 g6 16. b3 Bg7 17. Ba3 a5 18. Nh4 c5 19. dxc5 bxc5 20. Rad1 0-0 21. Qd6 Nf5 22. Nxf5 exf5 23. Qxc5 Ne4 24. Qxc8 Rfxc8 25. Bb2 a4 26. Nd3 Nc3 27. Rd2 axb3 28. axb3 Rab8 29. Nc1 Ne4 1/2-1/2

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.09"]
[Round "1"]
[White "Van Woerden, Michiel"]
[Black "Cramwinckel, Gideon"]
[Result "0-1"]
[ECO "B89"]
[PlyCount "82"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 Be7 8. f3 a6 9. a4 Qc7 10. Bb3 Nb4 11. Qd2 0-0 12. 0-0-0 Bd7 13. Kb1 Rfc8 14. g4 d5 15. e5 Ne8 16. f4 b5 17. axb5 axb5 18. Ndxb5 Bxb5 19. Nxb5 Qa5 20. Na3 Nc7 21. Qe2 Nc6 22. Bd2 Qa7 23. Bc1 Bxa3 24. bxa3 Rcb8 25. Bb2 Na5 26. Ka2 Qb7 27. Qd3 Nc4 28. Ra1 Na6 29. Qd4 Qb5 30. Bxc4 dxc4 31. Qc3 Nc5 32. Rab1 Na4 33. Qd4 c3 34. Bxc3 Nxc3+ 35. Qxc3 Qd5+ 36. Ka1 Rxa3+ 37. Qxa3 Ra8 38. Qxa8+ Qxa8+ 39. Kb2 g6 40. h3 Qb7+ 41. Ka2 Qd5+ 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Koffeman, Timotheus"]
[Black "Van Woerden, Michiel"]
[Result "1-0"]
[ECO "D58"]
[PlyCount "83"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bg5 Be7 4. Nc3 d5 5. e3 b6 6. cxd5 exd5 7. Bd3 Bb7 8. Nf3 Nbd7 9. 0-0 0-0 10. Rc1 h6 11. Bh4 c5 12. Bf5 a6 13. Qc2 Rc8 14. Ne5 Rc7 15. Nxd7 Nxd7 16. Bg3 Rc8 17. Qd3 c4 18. Qc2 b5 19. Qe2 Ra8 20. Qf3 Nf6 21. Be5 b4 22. Ne2 Bd6 23. Rfd1 Bxe5 24. dxe5 Nd7 25. Qg3 Nb6 26. Rd4 Qg5 27. Qh3 Kh8 28. Ng3 Bc8 29. Rh4 Bxf5 30. Nxf5 Kh7 31. Rg4 Qxf5 32. Rxg7+ Kxg7 33. Qxf5 Rab8 34. Qf6+ Kh7 35. Rd1 Rg8 36. Rd4 Rg6 37. Qxf7+ Rg7 38. Qf5+ Rg6 39. Rg4 Rbg8 40. h4 h5 41. Qxh5+ Rh6 42. Qf7+ 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Kuijvenhoven, Vincent"]
[Black "Van Woerden, Michiel"]
[Result "1/2-1/2"]
[ECO "B84"]
[PlyCount "53"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 Nf6 6. Be2 e6 7. 0-0 Be7 8. Be3 a6 9. f4 Qc7 10. a4 0-0 11. Bf3 Na5 12. Be2 Nc4 13. Bxc4 Qxc4 14. Qf3 d5 15. exd5 Nxd5 16. Nxd5 Qxd5 17. Qxd5 exd5 18. Rfd1 Rd8 19. Rd2 g6 20. Rf1 Bc5 21. c3 Bxd4 22. Bxd4 Bf5 23. Bf6 Rd7 24. Re1 Be6 25. Rd4 Rc8 26. Red1 Rc4 27. R1d2 1/2-1/2

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Muris, Saskia"]
[Black "Van Woerden, Michiel"]
[Result "1/2-1/2"]
[ECO "B72"]
[PlyCount "89"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Be3 Bg7 8. Be2 0-0 9. Qd2 Bd7 10. 0-0-0 a6 11. Bf3 Rc8 12. h3 b5 13. g4 Na5 14. Be2 Nc4 15. Bxc4 Rxc4 16. g5 Nh5 17. Nce2 Qa8 18. Qd3 Rfc8 19. Kb1 Bc6 20. Nxc6 Qxc6 21. c3 Qxe4 22. Rhf1 Qxd3+ 23. Rxd3 f5 24. Nd4 Ng3 25. Rf3 Ne4 26. Nb3 R4c7 27. Bd4 e5 28. Be3 Re7 29. Rf1 exf4 30. Bxf4 Be5 31. Rd5 Re6 32. Nd4 Bxd4 33. Rxd4 Kf7 34. Rfd1 Ke7 35. a4 Rc5 36. axb5 Rxb5 37. Kc2 Rb6 38. Ra1 Nc5 39. Rad1 Re2+ 40. R1d2 Rxd2+ 41. Bxd2 Ne4 42. Be3 Rc6 43. h4 Ke6 44. c4 a5 45. b3 1/2-1/2

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Paulis, Winifred"]
[Black "Van Woerden, Michiel"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "36"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Bc4 g6 6. Nf3 Bg7 7. Qb3 e6 8. 0-0 Nf6 9. Rd1 0-0 10. e5 Nfd7 11. exd6 a6 12. Be3 Nc6 13. Be2 b5 14. Rac1 Bb7 15. Bg5 Qb6 16. Be3 Qd8 17. Bg5 Qb6 18. Be3 Qd8 1/2-1/2

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Van Woerden, Michiel"]
[Black "Ammerlaan, Richard"]
[Result "0-1"]
[ECO "B73"]
[PlyCount "84"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 0-0 8. 0-0 Nc6 9. f4 Bd7 10. Bf3 a6 11. Qd2 Rc8 12. Rfe1 b5 13. a3 Na5 14. Be2 Nc4 15. Bxc4 Rxc4 16. h3 Qb8 17. Qd3 Qb7 18. Bf2 Nh5 19. Nce2 Bc6 20. Nxc6 Qxc6 21. g4 Nf6 22. Nd4 Qb7 23. b3 Rc7 24. Rad1 Nd7 25. Re2 Rfc8 26. Kg2 Rc3 27. Qd2 Bxd4 28. Bxd4 Rxc2 29. Qd3 Rxe2+ 30. Qxe2 Nc5 31. Bxc5 Rxc5 32. Kf3 Qc6 33. Rd3 Rc3 34. Rxc3 Qxc3+ 35. Qe3 Qxe3+ 36. Kxe3 Kf8 37. Kd4 Ke8 38. g5 Kd7 39. b4 Ke6 40. h4 f5 41. exf5+ Kxf5 42. Kd5 Kxf4 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Van Woerden, Michiel"]
[Black "Van den Berg, Hette Jan"]
[Result "1/2-1/2"]
[ECO "B12"]
[PlyCount "58"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 g6 4. c3 Bg7 5. Bd3 e6 6. Ngf3 Ne7 7. 0-0 0-0 8. Nb3 Nd7 9. Re1 Re8 10. Bg5 Bf6 11. h4 Bxg5 12. hxg5 Qc7 13. e5 c5 14. Bc2 cxd4 15. cxd4 b6 16. Rc1 Qd8 17. g3 Kg7 18. Kg2 Rh8 19. Rh1 Ba6 20. Qd2 Rc8 21. Nh2 Ng8 22. Ng4 Nb8 23. Qf4 Nd7 24. Nh6 Nxh6 25. Rxh6 Qe8 26. Bd1 Rxc1 27. Nxc1 Qc8 28. Nb3 Bd3 29. Rh1 Qa6 1/2-1/2

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Van Woerden, Michiel"]
[Black "Van der Aalst, Paul"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "58"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Bd3 Bb4 5. Nge2 Nf6 6. 0-0 0-0 7. Bg5 Be7 8. Qe1 h6 9. Bf4 c5 10. f3 d5 11. dxc5 Bxc5+ 12. Kh1 Nbd7 13. Ng3 d4 14. Na4 Bc6 15. Nxc5 bxc5 16. c4 e5 17. Bd2 Ne8 18. Nf5 Qf6 19. Qg3 Kh8 20. Qh3 Kh7 21. g4 g5 22. Qg3 Ng7 23. Kg2 Nxf5 24. exf5 Rae8 25. Be4 Bxe4 26. fxe4 Qg7 27. Rae1 Nf6 28. b3 Rb8 29. Rf3 Rb6 1/2-1/2

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Van Woerden, Michiel"]
[Black "Wolbers, Joan"]
[Result "0-1"]
[ECO "E12"]
[PlyCount "126"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bg5 Be7 4. Nf3 b6 5. e3 Bb7 6. Bd3 d5 7. Nbd2 Nbd7 8. Qc2 h6 9. Bh4 0-0 10. 0-0 c5 11. Rac1 Rc8 12. b3 Re8 13. Rfe1 Qc7 14. Bg3 Bd6 15. Bxd6 Qxd6 16. Qb2 e5 17. dxe5 Nxe5 18. Nxe5 Rxe5 19. Be2 Rd8 20. Red1 Qc7 21. Bf3 Re7 22. cxd5 Bxd5 23. Bxd5 Nxd5 24. Nf3 Nb4 25. Qe2 Red7 26. a3 Nd3 27. Rb1 c4 28. Nd4 Nf4 29. Qxc4 Qxc4 30. bxc4 Ne2+ 31. Kf1 Nc3 32. Rdc1 Nxb1 33. Rxb1 Rc8 34. Rb4 Rdc7 35. Nb5 Rxc4 36. Nxa7 Rxb4 37. axb4 Rc7 38. Nb5 Rc4 39. Nd4 Rxb4 40. Ke2 Rb2+ 41. Ke1 b5 42. h4 b4 43. g3 b3 44. f4 Rb1+ 45. Kd2 b2 46. Kc2 Re1 47. Kxb2 Rxe3 48. Nf5 Rf3 49. Kc2 g6 50. Nxh6+ Kg7 51. Ng4 Rxg3 52. Ne5 Rh3 53. Kd2 Rxh4 54. Ke3 f6 55. Nf3 Rh8 56. Kf2 Re8 57. Kg3 Kh6 58. Kg4 Re4 59. Nd2 Rd4 60. Nf3 Ra4 61. Kg3 g5 62. fxg5+ fxg5 63. Ne5 Kh5 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Van den Boom, S."]
[Black "Van Woerden, Michiel"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "64"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. h3 Nf6 5. Bc4 e6 6. d3 a6 7. a3 Be7 8. 0-0 0-0 9. Bd2 b5 10. Ba2 Bb7 11. Qe2 Qc7 12. Rab1 Rad8 13. b4 cxb4 14. axb4 d5 15. e5 Nd7 16. Rfe1 Nxb4 17. Bb3 Nc6 18. d4 Nb6 19. Rb2 Qd7 20. Reb1 Rc8 21. Ba2 Ba3 22. Rb3 Nc4 23. Bf4 N6a5 24. Rxa3 Nxa3 25. Bb3 Nxb1 26. Nxb1 Nxb3 27. cxb3 Qc6 28. Bc1 Qxc1+ 29. Qe1 Qxe1+ 30. Nxe1 Rc1 31. Kf1 Rxb1 32. Ke2 Rxe1+ 0-1

